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Finding the Fourth Proportional to 263,738.89, 395,602.80 and 64,060.26

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Solution

The fourth proportional to 263,738.89, 395,602.80 and 64,060.26 is: 96,089.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,738.89 : 395,602.80 = 64,060.26 : x
  2. Step 2: Convert to fraction form
    263,738.89/395,602.80 = 64,060.26/x
  3. Step 3: Cross multiply
    263,738.89x = 395,602.80 × 64,060.26
  4. Step 4: Simplify right side
    263,738.89x = 25,342,418,224.73
  5. Step 5: Solve for x
    x = 25,342,418,224.73/263,738.89
  6. Step 6: Final answer
    x = 96,089.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.